[INFO] updating cached repository yenwel/db
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yenwel/db
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yenwel/db" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/yenwel/db"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/yenwel/db'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yenwel/db" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/yenwel/db"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/yenwel/db'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a957911920a46b83b1a3b5d1167261f6f74f6266
[INFO] sha for GitHub repo yenwel/db: a957911920a46b83b1a3b5d1167261f6f74f6266
[INFO] validating manifest of yenwel/db on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of yenwel/db on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing yenwel/db
[INFO] finished frobbing yenwel/db
[INFO] frobbed toml for yenwel/db written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/yenwel/db/Cargo.toml
[INFO] started frobbing yenwel/db
[INFO] finished frobbing yenwel/db
[INFO] frobbed toml for yenwel/db written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/yenwel/db/Cargo.toml
[INFO] crate yenwel/db already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking yenwel/db against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-5/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/yenwel/db:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6e907e087f8664c0e7dec2f5dda43dd3eb104be0747abc05fe5669ccc08af02d
[INFO] running `"docker" "start" "-a" "6e907e087f8664c0e7dec2f5dda43dd3eb104be0747abc05fe5669ccc08af02d"`
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]     Checking unicode-segmentation v1.2.1
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]     Checking rustyline v3.0.0
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustyline-3.0.0/src/lib.rs:655:43
[INFO] [stderr]     |
[INFO] [stderr] 655 |             editor.add_history_entry(line.as_ref());
[INFO] [stderr]     |                                           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0283`.
[INFO] [stderr] error: Could not compile `rustyline`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "6e907e087f8664c0e7dec2f5dda43dd3eb104be0747abc05fe5669ccc08af02d"`
[INFO] running `"docker" "rm" "-f" "6e907e087f8664c0e7dec2f5dda43dd3eb104be0747abc05fe5669ccc08af02d"`
[INFO] [stdout] 6e907e087f8664c0e7dec2f5dda43dd3eb104be0747abc05fe5669ccc08af02d